A two story House is about 11 (blank) tall

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

Which strategy is used by public health to reduce the incidence of food poisoning?

Is the ordered pair (-10, 7) a solution to the equation y = 17 – x? yes or no